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Heat-Set Web Offset Machine-Finish Book

By Government Printing Office

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Book Id: WPLBN0000112419
Format Type: PDF eBook
File Size: 0.2 MB
Reproduction Date: 2005
Full Text

Title: Heat-Set Web Offset Machine-Finish Book  
Author: Government Printing Office
Volume:
Language: English
Subject: Government publications, Legislation., Economic & political studies
Collections: Government Library Collection, Government Printing Office
Historic
Publication Date:
Publisher: Government Printing Office

Description
Government Reference Publication

Excerpt
Excerpt: Use information - This paragraph is informational only and is not exclusively definitive of the end use. For simultaneous face and back, blanket to blanket, web offset printing of books, pamphlets, catalogs, periodicals, etc. Low bulk. Printed matter may include text, illustrations, and halftones up to 150-line screen. Slitting, pasting, and/or cross perforating are including in press capabilities. Stock: Groundwood pulp, not to exceed 1 pct. The total lignin content of the paper shall not exceed 3 pct of the fiber weight. Note: Not less than 30 pct postconsumer fiber. Any percent over 30 percentage points, is encouraged, provided that the requirements of this Standard are met. Acidity: pH value shall average not less than 6.5. Grammage (g/m2) ... 52 Basis weight: 24 by 36 inches, 500 sheets (pounds) ... 35 A tolerance of +/-5 pct shall be allowed. Bursting strength: Average, not less than (kPa) ... 70 Equivalent (lb/in2) ... 11 Opacity: Average, not less than (percent) ... 84 No individual specimen shall average less than (percent) ... 82 Thickness: Average (mm) ... 0.055 Equivalent (inch) ... 0.0022 A tolerance of +/-0.008 mm (0.0003 inch) shall be allowed. Paper shall be uniform and shall not vary more than 0.011 mm (0.0004 inch) from one edge to the other. No individual specimen shall exceed (mm) ... 0.070 Equivalent (inch) ... 0.0028 General appearance: Paper shall conform to the standard sample( s) adopted by the Government. Color: The paper in the order (or publication) shall be uniform with a target brightness of 81 pct. The color variation shall not exceed DE(CIELAB)=1.0. Finish and formation: Shall be uniform. Cleanliness: The dirt count for each side of the paper shall not exceed 250 specks per square meter. No sample sheet (600 to 650 cm2 in size) shall contain more than one defect with an equivalent area of 0.25 mm2 or greater. Sampling and testing: Shall be conducted in accordance with standards in Part 2, Government Paper Specification Standards.

Table of Contents
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